The Soviet Union played a crucial role in the Allied victory in World War II, but at a tremendous human cost, with millions of Soviet citizens perishing in the conflict. The Soviet Union emerged as one of the world's two superpowers, leading the Eastern Bloc in opposition to the Western Bloc during the Cold War.

The history of the Soviet Union (USSR) (1922–91) began with the ideals of the Bolshevik Revolution and ended in dissolution amidst economic collapse and political disintegration. Established in 1922 following the Russian Civil War, the Soviet Union quickly became a one-party state under the Communist Party.

2025年3月22日 · Soviet Union (Union of Soviet Socialist Republics; U.S.S.R.), former northern Eurasian empire (1917/22–1991) stretching from the Baltic and Black seas to the Pacific Ocean and, in its final years, consisting of 15 Soviet Socialist Republics.

The Russian Soviet Federative Socialist Republic [b] (Russian SFSR or RSFSR), previously known as the Russian Soviet Republic [3] and the Russian Socialist Federative Soviet Republic, and unofficially as Soviet Russia, [4] was a socialist state from 1917 to 1922, and afterwards the largest and most populous constituent republic of the Soviet ...

The Union of Soviet Socialist Republics [r] (USSR), [s] simply known as the Soviet Union, [t] was a transcontinental country that spanned much of Eurasia from 1922 to 1991. It was the first country to declare itself socialist and build towards a communist society.

2017年9月1日 · A 1922 treaty between Russia, Ukraine, Belarus and Transcaucasia (modern Georgia, Armenia and Azerbaijan) formed the Union of Soviet Socialist Republics (USSR).

2022年12月21日 · The story of the creation of the Soviet Union was therefore one that began with the overthrowing of the Tsar and the promise to free Russia’s exploited masses and ended with the birth of a powerful, bureaucratic, and undemocratic state that killed off the hopes of the Russian Revolutions.

2021年7月16日 · The Soviet Union, formally known as the Union of Soviet Socialist Republics, or USSR for short, was a country that was composed of 15 different units, known as republics. Among these republics was Russia, which was the largest, most …

2019年8月2日 · The Union of Soviet Socialist Republics (also known as the USSR or the Soviet Union) consisted of Russia and 14 surrounding countries. The USSR's territory stretched from the Baltic states in Eastern Europe to the Pacific Ocean, including the majority of northern Asia and portions of central Asia.

The USSR, or the Union of Soviet Socialist Republics, was a historical state that existed from 1922 to 1991 in northern Eurasia. It was the first country to be based on the ideology of Marxism-Leninism, a form of communism that aimed to create a classless and stateless society.